How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 1/4None
Week of 1/6100.0*Chance in playoffs100.0*Average seed
Trinity Western 107 Calgary 97 +1.4
+0.6
Trinity Western 105 Lethbridge 97 +1.0
+0.5
Thompson Rivers 78 Manitoba 86 +0.6
Brandon 70 Winnipeg 56 -0.2
-0.0
Thompson Rivers 84 Winnipeg 68 -0.1
+0.0
Brandon 74 Regina 83 +0.1
-0.1
UBC Okanagan 65 Manitoba 80 +0.0

What If

Chances based on how well the Trinity Western finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
10-11In1008,448,578*
Total:In1008,448,578

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs